Dunstan, W. E. Ancient civilizations. Harcourt Brace College Publ.
芝加哥风格引文Dunstan, William E. Ancient Civilizations. Fort Worth [u.a.]: Harcourt Brace College Publ.
MLA引文Dunstan, William E. Ancient Civilizations. Harcourt Brace College Publ.
警告：这些引文格式不一定是100％准确.